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                魔法手镯                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：256MB</p>			</div>
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                                <h3>题目描述</h3><p><div>
<div>Ginny的生日马上就来了。魔法大叔Herry准备给他的新妹子一个生日礼物。礼物是由N个魔法珠子串成的魔法手镯</div>
<div>。每种不同种类的珠子有其独一无二的特性。Herry的另一个妹子远坂凛指出，有一些指定种类的成对珠子，如果</div>
<div>挨在一块会发生化学反应甚至核聚变，因此Herry必须非常小心以确保这些珠子不会相邻。Herry想知道，究竟能有</div>
<div>多少不同的手镯，将这个结果mod 9973并告诉他。注意，若一个手镯能够通过旋转得到另一个手镯，我们将这两个</div>
<div>手镯视为相同的。</div>
</div>
<div></div></p><hr/><h3>输入格式</h3><p><div>输入包含多组数据。第一行一个正整数case，为数据的组数。接下来的数据分为case组，每一组的第一行为三个正</div>
<div>整数N,M,K，N为珠子的数量，M为珠子的种类数，K为不能相邻的种类对数，保证N mod 9973 != 0。接下来K行每行</div>
<div>两个正整数i,j，表示种类i的珠子不能和种类j的珠子相邻。</div></p><hr/><h3>输出格式</h3><p><p><span style="font-family: 宋体; text-indent: 28px;">对于每组数据，输出一行，为手镯的数量。</span></p></p><hr/><h3>样例输入</h3><pre>4
3 2 0
3 2 1
1 2
3 2 2
1 1
1 2
3 2 3
1 1
1 2
2 2
</pre><hr/><h3>样例输出</h3><pre>4
2
1
0
</pre><hr/><h3>提示</h3><p>没有写明提示</p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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